LT1934 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1934 is a 34.00 V non-sync Buck Converter from with 0.30 A output current. The maximum 34.00 V input voltage can be regulated down into a 1.25 V to 34.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 9 and achieves a peak efficiency of 85 %. Further LT1934 characteristics are a fixed 500 kHz switching frequency and 2 available package option(s): TSOT23-6 DFN-6 .

For the LT1934 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 3.20 V
V-IN max. 34.00 V
I-OUT? 0.30 A
V-OUT min. 1.25 V
V-OUT max. 34.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 26 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 85 %
Component count min. 9
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LT1934 Datasheet

Link to the most up-to-date LT1934 datasheet and the product page for EVM, tools and support information.

LT1934

LT1934 Sample stock and distributor price breaks

LT1934 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 9

CPC (1)

ProductStockPriceBuy
LT1934ES6#TRMPBF1Buy Now

Conrad COM (1)

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LT1934ES6#TRMPBF52Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT1934ES6#TRMPBF52Buy Now

Digi-Key (20)

ProductStockPriceBuy
LT1934ES6#TRMPBF4000
5002.44 USD
Buy Now
LT1934ES6#TRMPBF4201
15.25 USD
254.69 USD
1002.93 USD
2502.68 USD
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LT1934ES6#TRMPBF4201
15.25 USD
254.69 USD
1002.93 USD
2502.68 USD
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LT1934ES6-1#TRMPBF1000
5002.44 USD
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LT1934ES6-1#TRMPBF1243
15.25 USD
254.69 USD
1002.93 USD
2502.68 USD
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LT1934ES6-1#TRMPBF1243
15.25 USD
254.69 USD
1002.93 USD
2502.68 USD
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LT1934IS6#TRPBF2500
25002.81 USD
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LT1934IS6#TRPBF5629
15.91 USD
255.28 USD
1003.37 USD
2503.09 USD
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LT1934IS6#TRPBF5629
15.91 USD
255.28 USD
1003.37 USD
2503.09 USD
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LT1934IS6#TRMPBF500
5002.81 USD
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LT1934IS6#TRMPBF581
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934IS6#TRMPBF581
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934IDCB#TRMPBF500
5002.81 USD
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LT1934IDCB#TRMPBF813
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934IDCB#TRMPBF813
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934EDCB-1#TRMPBF0
5002.79 USD
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LT1934EDCB-1#TRMPBF375
15.63 USD
255.02 USD
1003.35 USD
2503.07 USD
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LT1934EDCB-1#TRMPBF0
10.00 USD
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LT1934IS6-1#TRMPBF0
5002.81 USD
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LT1934IS6-1#TRMPBF368
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934IS6-1#TRMPBF368
16.03 USD
255.38 USD
1003.37 USD
2503.09 USD
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LT1934ES6#TRPBF0
25002.44 USD
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LT1934ES6#TRPBF1
15.14 USD
254.59 USD
1002.93 USD
2502.68 USD
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LT1934ES6#TRPBF1
15.14 USD
254.59 USD
1002.93 USD
2502.68 USD
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LT1934ES6-1#TRPBF0
25002.44 USD
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Distrelec (1)

ProductStockPriceBuy
LT1934ES6#PBF15Buy Now

Mouser Electronics (6)

ProductStockPriceBuy
LT1934IS6#TRMPBF648
16.18 USD
105.74 USD
255.51 USD
1003.45 USD
2503.16 USD
5002.88 USD
Buy Now
LT1934IDCB#TRMPBF477
16.18 USD
105.74 USD
255.51 USD
1003.45 USD
2503.16 USD
5002.88 USD
Buy Now
LT1934IS6-1#TRMPBF400
16.18 USD
105.74 USD
255.51 USD
1003.45 USD
2503.16 USD
5002.88 USD
Buy Now
LT1934ES6-1#TRMPBF58
15.39 USD
105.00 USD
254.81 USD
1003.00 USD
2502.75 USD
5002.50 USD
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LT1934ES6#TRMPBF1000 On Order
15.39 USD
105.00 USD
254.81 USD
1003.00 USD
2502.75 USD
5002.50 USD
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LT1934ES6#TRPBF2481 On Order
15.26 USD
104.89 USD
254.70 USD
1003.00 USD
2502.75 USD
25002.50 USD
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LT1934ES6-1#TRPBFNone
25002.50 USD
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LT1934EDCB#TRMPBFNone
5002.50 USD
Buy Now
LT1934EDCB-1#TRMPBFNone
5002.86 USD
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LT1934IDCB-1#TRMPBFNone
5003.29 USD
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LT1934EDCB#TRPBFNone
25002.50 USD
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LT1934EDCB-1#TRPBFNone
25002.86 USD
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LT1934IS6#TRPBFNone
25002.88 USD
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LT1934IS6-1#TRPBFNone
25002.88 USD
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LT1934IDCB#TRPBFNone
25002.88 USD
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LT1934IDCB-1#TRPBFNone
25003.29 USD
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RS Components (2)

ProductStockPriceBuy
LT1934ES6#TRMPBF103Buy Now
LT1934ES6#TRMPBF860Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT1934ES6#TRMPBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT1934ES6TRMPBF44Buy Now

Available Distributors without stock: 3

Element14 (0)

ProductStockPriceBuy
LT1934ES6#TRMPBF0
18.01 USD
257.16 USD
1004.47 USD
2504.09 USD
Buy Now

Farnell Element14 (0)

ProductStockPriceBuy
LT1934ES6#TRMPBF0Buy Now
LT1934ES6#TRMPBF0Buy Now

Rutronik (0)

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nnBuy Now

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LT1934ES6#TRMPBF 938
12.68 $
1002.39 $
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LT1934ES6-1#TRMPBF 192
12.68 $
1002.39 $
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LT1934IS6#TRMPBF 52
13.07 $
1002.75 $
Buy Now
LT1934IDCB#TRMPBF 7
13.07 $
1002.75 $
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LT1934ES6-1#TRMPBF 0
12.68 $
1002.39 $
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LT1934IS6#TRMPBF 0
13.07 $
1002.75 $
Buy Now
LT1934IDCB#TRMPBF 0
13.07 $
1002.75 $
Buy Now
LT1934EDCB-1#TRPBF 0
13.23 $
1002.74 $
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LT1934IDCB#TRPBF 0
13.07 $
1002.75 $
Buy Now
LT1934IS6-1#TRMPBF 0
13.07 $
1002.75 $
Buy Now
LT1934IS6-1#TRMPBF 0
13.07 $
1002.75 $
Buy Now
LT1934IS6#TRPBF 0
13.07 $
1002.75 $
Buy Now
LT1934ES6#TRPBF 0
12.68 $
1002.39 $
Buy Now
LT1934IS6-1#TRPBF 0
13.07 $
1002.75 $
Buy Now
LT1934ES6#TRMPBF 0
12.68 $
1002.39 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1934IS6#TRPBF 5629
2502.63 €
1002.87 €
254.51 €
15.05 €
Buy Now
LT1934IS6#TRPBF 5629
2502.63 €
1002.87 €
254.51 €
15.05 €
Buy Now
LT1934ES6#TRMPBF 4201
2502.29 €
1002.50 €
254.00 €
14.48 €
Buy Now
LT1934ES6#TRMPBF 4201
2502.29 €
1002.50 €
254.00 €
14.48 €
Buy Now
LT1934ES6#TRMPBF 4000
5002.08 €
Buy Now
LT1934IS6#TRPBF 2500
25002.39 €
Buy Now
LT1934ES6-1#TRMPBF 1243
2502.29 €
1002.50 €
254.00 €
14.48 €
Buy Now
LT1934ES6-1#TRMPBF 1243
2502.29 €
1002.50 €
254.00 €
14.48 €
Buy Now
LT1934ES6-1#TRMPBF 1000
5002.08 €
Buy Now
LT1934IDCB#TRMPBF 813
2502.63 €
1002.87 €
254.59 €
15.15 €
Buy Now
LT1934IDCB#TRMPBF 813
2502.63 €
1002.87 €
254.59 €
15.15 €
Buy Now
LT1934IS6#TRMPBF 581
2502.63 €
1002.87 €
254.59 €
15.15 €
Buy Now
LT1934IS6#TRMPBF 581
2502.63 €
1002.87 €
254.59 €
15.15 €
Buy Now
LT1934IS6#TRMPBF 500
5002.39 €
Buy Now
LT1934IDCB#TRMPBF 500
5002.39 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1934IS6#TRMPBF 648
16.03 $
105.60 $
255.38 $
1003.37 $
2503.09 $
5002.80 $
Buy Now
LT1934IDCB#TRMPBF 477
16.03 $
105.60 $
255.38 $
1003.37 $
2503.09 $
5002.80 $
Buy Now
LT1934IS6-1#TRMPBF 400
16.03 $
105.60 $
255.38 $
1003.37 $
2503.09 $
5002.80 $
Buy Now
LT1934ES6-1#TRMPBF 58
15.26 $
104.88 $
254.69 $
1002.93 $
2502.68 $
5002.44 $
Buy Now
LT1934ES6#TRMPBF 0
15.26 $
104.88 $
254.69 $
1002.93 $
2502.68 $
5002.44 $
Buy Now
LT1934ES6#TRPBF 0
15.14 $
104.77 $
254.59 $
1002.93 $
2502.68 $
25002.44 $
Buy Now
LT1934ES6-1#TRPBF 0
25002.44 $
Buy Now
LT1934EDCB#TRMPBF 0
5002.44 $
Buy Now
LT1934EDCB-1#TRMPBF 0
5002.79 $
Buy Now
LT1934IDCB-1#TRMPBF 0
5003.21 $
Buy Now
LT1934EDCB#TRPBF 0
25002.44 $
Buy Now
LT1934EDCB-1#TRPBF 0
25002.79 $
Buy Now
LT1934IDCB#TRPBF 0
25002.80 $
Buy Now
LT1934IS6#TRPBF 0
25002.80 $
Buy Now
LT1934IS6-1#TRPBF 0
25002.80 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1934E56 348 Buy Now
LT1934ES6#TRMPBF 33 Buy Now
LT1934IDCB#TRMPBF 23 Buy Now
LT1934IS6#TRPBF 8289 Buy Now
LT1934ES6#TRM 8 Buy Now
LT1934FS6#TRMPBF 15 Buy Now

Quest Components

ProductStockPriceBuy
LT1934ES6#TRMPBF 1
210.10 $
112.12 $
Buy Now
LT1934ES6-1#TRMPBF 924
6682.72 $
2993.00 $
15.45 $
Buy Now
LT1934IS6#TRMPBF 458
3924.65 $
1755.12 $
19.30 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1934EDCBPBF 250

element14 Asia-Pacific

ProductStockPriceBuy
LT1934ES6#TRMPBF 7
16.41 $
255.73 $
1003.57 $
2503.27 $
Buy Now
LT1934ES6#TRMPBF 7
16.41 $
255.73 $
1003.57 $
2503.27 $
Buy Now

Schukat electronic

ProductStockPriceBuy
LT1934ES6TRMPBF 44
15.10 €
103.05 €
502.55 €
1002.45 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT1934ES6#TRMPBF 553
1003.12 $
13.25 $
Buy Now

RS Components

ProductStockPriceBuy
LT1934ES6#TRMPBF 192
15.88 GBP
55.14 GBP
254.41 GBP
503.68 GBP
Buy Now
LT1934ES6#TRMPBF 666
55.14 GBP
254.41 GBP
503.68 GBP
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LT1934ES6#TRMPBF 0
14.20 GBP
103.67 GBP
253.37 GBP
502.73 GBP
1002.10 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1934. Optional, compare LT1934 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1676 LT1676 product overviewLT1676 product overview Linear Technology SO-8
0% LT1776 LT1776 product overviewLT1776 product overview Linear Technology PDIP, SO-8
0% LT1777 LT1777 product overviewLT1777 product overview Linear Technology SO-16
0% LT1933 LT1933 product overviewLT1933 product overview Linear Technology DFN-6, TSOT23-6
0% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
0% LT3502 LT3502 product overviewLT3502 product overview Linear Technology DFN-8, MSOP-10
0% LT3502A LT3502A product overviewLT3502A product overview Linear Technology DFN-8, MSOP-10
0% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
0% MAX5096 MAX5096 product overviewMAX5096 product overview Maxim TSSOP-EP-20, TQFN-16
0% MAX5097 MAX5097 product overviewMAX5097 product overview Maxim TSSOP-EP-20, TQFN-16
0% LM2574 LM2574 product overviewLM2574 product overview Micrel DIP-8
0% MP2451 MP2451 product overviewMP2451 product overview MPS SOT23-6
0% MP2456 MP2456 product overviewMP2456 product overview MPS TSOT23-6
0% MP2459 MP2459 product overviewMP2459 product overview MPS TSOT23-6
0% MP4566 MP4566 product overviewMP4566 product overview MPS QFN-8
0% MPQ2451 MPQ2451 product overviewMPQ2451 product overview MPS SOT23-6
0% LM2574 LM2574 product overviewLM2574 product overview ON Semiconductor PDIP-8, SOIC-16W
0% LM2594 LM2594 product overviewLM2594 product overview ON Semiconductor PDIP-8, SOIC-8
0% BD9G101 BD9G101 product overviewBD9G101 product overview Rohm SOT-23
0% LM22674 LM22674 product overviewLM22674 product overview Texas Instruments SO-8
0% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8
0% LM2574 LM2574 product overviewLM2574 product overview Texas Instruments PDIP-8, SOIC-14
0% LM2574HV LM2574HV product overviewLM2574HV product overview Texas Instruments PDIP-8, SOIC-14
0% LM2594 LM2594 product overviewLM2594 product overview Texas Instruments PDIP-8, SOIC-8
0% LM2594HV LM2594HV product overviewLM2594HV product overview Texas Instruments PDIP-8, SOIC-8
0% LM2597 LM2597 product overviewLM2597 product overview Texas Instruments PDIP-8, SOIC-8
0% LM2597HV LM2597HV product overviewLM2597HV product overview Texas Instruments PDIP-8, SOIC-8
0% LM2671 LM2671 product overviewLM2671 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
0% LM2674 LM2674 product overviewLM2674 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
0% LM2841X LM2841X product overviewLM2841X product overview Texas Instruments SOT23-6
0% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
0% LM2841Y LM2841Y product overviewLM2841Y product overview Texas Instruments SOT23-6
0% LM2841Y-Q1 LM2841Y-Q1 product overviewLM2841Y-Q1 product overview Texas Instruments SOT23-6
0% LM2842X LM2842X product overviewLM2842X product overview Texas Instruments SOT23-6
0% LM2842X-Q1 LM2842X-Q1 product overviewLM2842X-Q1 product overview Texas Instruments SOT23-6
0% LM2842Y LM2842Y product overviewLM2842Y product overview Texas Instruments SOT23-6
0% LM2842Y-Q1 LM2842Y-Q1 product overviewLM2842Y-Q1 product overview Texas Instruments SOT23-6
0% LMR14006-X LMR14006-X product overviewLMR14006-X product overview Texas Instruments TSOT23-6
0% LMR14006-Y LMR14006-Y product overviewLMR14006-Y product overview Texas Instruments TSOT23-6
0% LMR14203 LMR14203 product overviewLMR14203 product overview Texas Instruments SOT23-6
0% LMR14206 LMR14206 product overviewLMR14206 product overview Texas Instruments SOT23-6
0% RT6200 RT6200 product overviewRT6200 product overview Richtek SOT23-6
0% MPQ2459 MPQ2459 product overviewMPQ2459 product overview MPS TSOT23-6
0% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6
10% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
10% LT3470A LT3470A product overviewLT3470A product overview Linear Technology DFN-8
25% E522.06 E522.06 product overviewE522.06 product overview Elmos TSSOP-16, QFN-20
25% LT3470 LT3470 product overviewLT3470 product overview Linear Technology DFN-8, TSOT23-5
25% MAX1837 MAX1837 product overviewMAX1837 product overview Maxim TDFN-EP-6, SOT23-6
25% E522.76 E522.76 product overviewE522.76 product overview Elmos SOIC-8-EP

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1934.

V-IN max. 34 V, I-OUT 0.3 A, V-OUT min. 1.25 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025270 27.0 0.5 0.7 745.00 2.8 x 2.8 x 3
744031220 22.0 0.5 0.4 410.00 3.8 x 3.8 x 1.8
74404024180 18.0 0.5 0.7 830.00 2.5 x 2 x 1.2
74404024220 22.0 0.5 0.6 910.00 2.5 x 2 x 1.2
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
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